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《Modern Agricultural Science and Technology》 2017-23
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Effects of Rotation Cropping Systems(Tobacco-Maize) and Fertilizer Amount on Growth and Development of Flue-cured Tobacco in Tongren Area

LIU Yang-zhou;MENG Jun;LI Xian-hang;TIAN Mao-zhu;Tongren Branch,Guizhou Tobacco Company;Guizhou Key Laboratory for Tobacco Quality Research,Guizhou University;  
In order to study nutrient utilization in rotational cropping system(tobacco-maize)in Tongren Area,agronomic characters,disease resistance and economic characters of flue-cured tobacco under different fertilizer amount were studied.The results were as follows :There was no significant difference between the treatment of saving fertilizer 20% treatment and the conventional fertilization;There was some difference between the non fertilization control and the conventional fertilization;The incidence of red spot disease and climate spot of more than 50% of the conventional fertilizer treatment was higher;The mosaic disease of non fertilization control was higher;Incidence degree of saving fertilizer 20% treatment was mild;The different treatments has vary in the yield,output value,high-quality ratio and average price.The yield,output value,high-quality ratio and average price were the highest of saving fertilizer 20% treatment.In summary,saving fertilizer 20% treatment is favorable for introduction in a rotational cropping system in Tongren tobacco zone.
【CateGory Index】: S513;S572
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